/Engine/Plugins/Runtime/ProceduralMeshComponent/Source/ProceduralMeshComponent/Public/KismetProceduralMeshLibrary.h
Generate a vertex buffer, index buffer and UVs for a grid mesh where each quad is split, with standard 0-1 UVs on UV0 and point sampled texel center UVs for UV1.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Components|ProceduralMesh") static void CreateGridMeshSplit ( int32 NumX, int32 NumY, [TArray](API\Runtime\Core\Containers\TArray)< int32 > & Triangles, [TArray](API\Runtime\Core\Containers\TArray)< FVector > & Vertices, [TArray](API\Runtime\Core\Containers\TArray)< FVector2D > & UVs, [TArray](API\Runtime\Core\Containers\TArray)< FVector2D > & UV1s, float GridSpacing )